Identity
An identity is an equation that is true for all values of the variables. For example:
(x+y)^2=x^2+2xy+y^2
The above equation is true for all possible values of x and y, so it is called an identity.
Strictly speaking we should use the "three bar" sign to show it is an
identity as shown below. But it is very common to use the equal sign.
Answer:
y =-5-4x
Step-by-step explanation:
The answer is in the picture. Click on it
Answer:
Step-by-step explanation: That is a 90 degree angle. Using L is an example of a 90 degree angle, or a right angle, which is its common name.
0.46666666666666. its a repeating decimal. or you could write it as 0.47.
